I tend to think to much energy would be needed to go the distance then reform in another drum.
[edit] So if all the energy is transferred it'll be the same loudness, but one would assume it's at least a square root of loss.
An ear on a train line is linearish with neither depth or sideways loss and still needs a lot of amplification i.e. ear directly on the line. (So it seems to me from movies.)
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[ 2.0 ms ] story [ 12.8 ms ] thread[1] https://en.wikipedia.org/wiki/Talking_drum
I call BS.
I tend to think to much energy would be needed to go the distance then reform in another drum.
[edit] So if all the energy is transferred it'll be the same loudness, but one would assume it's at least a square root of loss.
An ear on a train line is linearish with neither depth or sideways loss and still needs a lot of amplification i.e. ear directly on the line. (So it seems to me from movies.)